The issue with /r/dotnet is that most people there are almost fanatics. A single bad word about MS or any topic of the month like MediatR gets you downvoted to oblivion. There's almost no real discussion there.

Not a new thing. I recall the same fanaticism on big C# IRC channels back when .Net 2.0 was in beta.

Getting blogged on this site is the goal.

Getting blogged on a site that is dedicated to that tech is not noteworthy.

You can find such blogs or forums for every obscure language that has more than a 1000 users.

Java and dotnet aren’t obscure languages. Java’s user base is larger than anything on _this site_. Java bloggers also know that HN isn’t their target audience because they know HN is biased. It’s a much more worthy investment to reach the actual community who are going to come back to your site and actually discuss your content.